The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2020
Filed:
Dec. 16, 2014
Aktiebolaget Electrolux, Stockholm, SE;
Anders Haegermarck, Trångsund, SE;
Magnus Lindhé, Stockholm, SE;
Aktiebolaget Electrolux, Stockholm, SE;
Abstract
A method of operating a robotic cleaning device over a surface to be cleaned, the method being performed by the robotic cleaning device. The method includes: following a boundary of a first object while registering path markers including positional information at intervals on the surface; tracing previously registered path markers at an offset upon encountering one or more of the previously registered path markers; and switching from tracing the previously registered path markers to following an edge of a second object upon detection of the second object.
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